The Federal Aviation Administration has restricted airspace over the St. Louis suburb of Ferguson following rioting in the wake of the police shooting death of an unarmed teenager.

The restriction, posted on the FAA website, states the ban is in place "to provide a safe environment for law enforcement activities." It became active at 1:15 p.m. Tuesday and is set to expire next Monday at 8 p.m.

Michael Brown, 18, was shot multiple times by a police officer in the St. Louis suburb of Ferguson over the weekend.

According to The Associated Press, witnesses say Brown had his hands raised when an officer approached him and shot multiple times.

Authorities said there was a struggle over the officer's weapon before he opened fire. Police are currently investigating the incident but said Tuesday they would not be releasing the name of the officer who shot Brown.

On Sunday, three dozen protesters were arrested after a peaceful vigil turned to looting and vandalism.

The AP reports large crowds gathered at a burned-out convenience station grew unruly around nightfall Monday, taunting and throwing rocks at police. Police in riot gear advanced on the crowd, in addition to closing off main roads and entry into the town.

Police advancing closer to crowd, which is shouting and honking horns. "We live here, you don't!" one woman shouted.

By midnight, most of the streets were clear and tensions cooled Tuesday morning, though a peaceful crowd of hundreds gathered at the St. Louis County Justice Center and elsewhere, according to the St. Louis Dispatch.

Am told by residents that a group of teens also can out yesterday morning to clean up after the rioting #Ferguson